Home / 3,367,172.86-4,646,698.38-1,818,434.40

Finding the Fourth Proportional to 3,367,172.86, 4,646,698.38 and 1,818,434.40

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Solution

The fourth proportional to 3,367,172.86, 4,646,698.38 and 1,818,434.40 is: 2,509,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367,172.86 : 4,646,698.38 = 1,818,434.40 : x
  2. Step 2: Convert to fraction form
    3,367,172.86/4,646,698.38 = 1,818,434.40/x
  3. Step 3: Cross multiply
    3,367,172.86x = 4,646,698.38 × 1,818,434.40
  4. Step 4: Simplify right side
    3,367,172.86x = 8,449,716,180,616.27
  5. Step 5: Solve for x
    x = 8,449,716,180,616.27/3,367,172.86
  6. Step 6: Final answer
    x = 2,509,439.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.